Is there a way to create your own html tag in HTML5?

Question

I want to create something like

    
        aaa
        bbb
    
          


        

Answer 1

I just want to add to the previous answers that there is a meaning to use only two-words tags for custom elements. They should never be standardised.

---

For example, you want to use the tag , because you don't like , and you don't like neither...

Well, keep in mind that you're not the only one. Maybe in the future, w3c and/or browsers will specify/implement this tag.

At this time, browsers will probably implements native style for this tag and your website's design may break.

So I'm suggesting to use (according to this example) .

---

As a matter of fact, the tag

is well defined ie not so used, but defined. It should contain which behave like

.